Cobalt Polished Black Carbon Fiber Inlay 8mm Band Weight 3.98 Stainless Steel Black IP-plated 7mm

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Cobalt Polished Black Carbon Fiber Inlay 8mm Band Weight 3.98 Stainless Steel Black IP-plated 7mmCobalt Polished Black Carbon Fiber Inlay 8mm Band Cobalt, in its pure form, cannot be used in jewelry. As a result, cobalt is alloyed with other metals to make it stronger, more malleable and more wearable. Cobalt used in jewelry is often alloyed with metals such as chromium, tungsten and iron. Because the chromium content can be quite high, cobalt is also known as cobalt chrome. This is just another name for the same metal. Cobalt is a relatively